/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.dromara.streamquery.stream.core.variable;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

/**
 * @author VampireAchao
 * @since 2022/10/21 15:56
 */
class VariableHelperTest {

  @Test
  void testFirst() {
    Assertions.assertEquals(1, VariableHelper.first(null, () -> 1));
    Assertions.assertEquals(1, VariableHelper.first(new Integer[] {1}, () -> null));
    Assertions.assertEquals(1, VariableHelper.first(new Integer[] {1, 2}, () -> null));
  }
}
